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Cli2 Bibalex
 

Cli2 Bibalex

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The second CLI session made by eglug in bibalex

The second CLI session made by eglug in bibalex

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    Cli2 Bibalex Cli2 Bibalex Presentation Transcript

    • Advanced GNU/Linux Command Line By: - Mohammed El-Sayed
    • Flashback! File system hierarchy. ● File system navigation. ● File and directory management. ● Getting help and information. ●
    • Now, let's talk about: Relative/Absolute paths. ● Finding stuff. ● Basic Permissions. ● Mounting partitions..and more.. ● Compressing and Extracting files. ● Piping and Redirection. ● Filters. ●
    • Relative and Absolute Paths: A relative path, starts from your working ● directory. Let's meet “.” and “..” ● An absolute path, starts form the Root. ●
    • Finding Stuff: which: shows the full path of (shell) commands. ● whereis: locate the binary, source, and manual ● page files for a command. locate/updatedb: find files on your system quickly, ● but... find: find files, period! ●
    • Basic Permissions: Users... ● System users. – Normal users. – Groups.... ● System groups. – Um, just groups? – chown : change ownership of a file. ●
    • Basic Permissions, cont'd: r : read :4 ● w : write : 2 ● x : execute : 1 ● chmod: change permissions of a file. ●
    • Mounting Partitions: mount: mount a file system. ● umount: unmount file systems. ● ISO's ? disk images ? USB devices ? ●
    • Compress/Extract Files: gzip : compress. ● gunzip : extract. ● bzip2 : compress. ● bunzip2 : extract. ● tar : does it all. ●
    • Redirection First: stdin / 0 process program stdout / 1 command stderr / 2
    • Now, lets put in some pipes: Command1 Command2 Command3
    • Filters: sort ● uniq ● grep ● head ● tail ● ● ● and the list goes on.... ●
    • Questions?
    • I get to ask questions, too! Where do you wanna go next?
    • Thank You,, EGLUG Team http://eglug.org